import router from './router'
import store from './store'
import { Message } from 'element-ui'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
import AuthUtils from '@/utils/AuthUtils' // get token from cookie
import getPageTitle from '@/utils/get-page-title'

NProgress.configure({ showSpinner: false }) // NProgress Configuration

const whiteList = ['/login', '/401', '/404','/register','/company','/capital'] // no redirect whitelist

router.beforeEach(async(to, from, next) => {
  // start progress bar
  NProgress.start()

  // set page title
  document.title = getPageTitle(to.meta.title)
  // determine whether the user has logged in
  const hasToken = AuthUtils.getToken()

  if (hasToken) {
    if (to.path === '/login') {
      next({ path: '/' })
      NProgress.done()
    } else {
      if (store.getters.roles && store.getters.roles.length > 0) {
        next()
      } else {
        try {
          // 获取并缓存登录用户信息
          await store.dispatch('user/GetLoginUser')
          // 获取用户动态路由表
          const accessRoutes = await store.dispatch('permission/GenerateRoutes')
          // 添加动态路由表
          router.addRoutes(accessRoutes)
          // hack方法，确保动态路由表（addRoutes）添加完成，“replace: true”表示导航不会产生历史记录
          next({ ...to, replace: true })
        } catch (error) {
          // remove token and go to login page to re-login
          await store.dispatch('user/ResetToken')
          Message.error(error || 'Has Error')
          next(`/login?redirect=${to.path}`)
          NProgress.done()
        }
      }
    }
  } else {
    /* has no token*/

    if (whiteList.indexOf(to.path) !== -1) {
      // in the free login whitelist, go directly
      next()
    } else {
      // other pages that do not have permission to access are redirected to the login page.
      next(`/login?redirect=${to.path}`)
      NProgress.done()
    }
  }
})

router.afterEach(() => {
  // finish progress bar
  NProgress.done()
})
